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Business Combination - Summary of Assets Acquired (Details) - USD ($) | Dec. 31, 2017 | Dec. 31, 2016 | Apr. 29, 2016
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 10,513,371 | $ 10,513,371 |
Bioject |  |  |
Business Acquisition [Line Items] |  |  |
Goodwill |  |  | $ 400,000
Total purchase consideration |  |  | 5,500,000
Trademarks | Bioject |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  |  | 200,000
Developed technology | Bioject |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  |  | 3,800,000
Customer-related intangible assets | Bioject |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  |  | 1,000,000
Covenants not-to-compete | Bioject |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  |  | $ 100,000

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